Well, 2° to 3° C (35.6° to 37.4°F) temps would be significantly below the recommended minimum of 40°F, so it would be a close call. But covering the plants as you describe is better than doing nothing. Try to keep the covers from touching the plants. And remember, the thicker the blanket, the less the frost damage possibility.m
Well, 2° to 3° C (35.6° to 37.4°F) temps would be significantly below the recommended minimum of 40°F, so it would be a close call. But covering the plants as you describe is better than doing nothing. Try to keep the covers from touching the plants. And remember, the thicker the blanket, the less the frost damage possibility.m